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What Is Surface Roughness?

Surface roughness refers to the small-scale irregularities and texture present on a material’s surface. It is a critical parameter that describes the fine details of the surface profile, including peaks, valleys, and overall unevenness. These microscopic variations affect how a surface interacts with its environment, influencing properties such as friction, wear resistance, adhesion, and appearance. Surface roughness is typically measured in microns using specialized instruments called surface roughness testers, which help quantify the texture by calculating parameters like Ra, Rz, and Rt. Understanding and controlling surface roughness is essential in manufacturing and quality control to ensure optimal performance, durability, and aesthetics of components across industries such as automotive, aerospace, metalworking, and electronics.

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Leeb + UCI Universal Hardness Tester MR-HD700

METERDI Instruments is an Indian manufacturer od Universal Portable Hardness Tester MR-HD700 offers accurate metal hardness testing with Leeb and UCI ultrasonic methods. Ideal for steel, aluminum, and various materials, it supports Brinell, Rockwell, and Vickers scales. This digital, portable material tester is perfect for industrial, manufacturing, and quality control applications.

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Portable Hardness Tester for Industrial Metal Hardness Testing